2897121052897 has 2 divisors, whose sum is σ = 2897121052898. Its totient is φ = 2897121052896.

The previous prime is 2897121052883. The next prime is 2897121052921. The reversal of 2897121052897 is 7982501217982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2896909524961 + 211527936 = 1702031^2 + 14544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897121052897 - 2³⁵ = 2862761314529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2897121052807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448560526448 + 1448560526449.

It is an arithmetic number, because the mean of its divisors is an integer number (1448560526449).

Almost surely, 2^{2897121052897} is an apocalyptic number.

It is an amenable number.

2897121052897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897121052897 is an equidigital number, since it uses as much as digits as its factorization.

2897121052897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 61.

The spelling of 2897121052897 in words is "two trillion, eight hundred ninety-seven billion, one hundred twenty-one million, fifty-two thousand, eight hundred ninety-seven".